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One instruction tries to write an operand before it is written by previous instruction. This may lead to a dependency called
- a)True dependency
- b)Anti-dependency
- c)Output Dependency
- d)Control hazard
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
One instruction tries to write an operand before it is written by prev...
Output Dependency:
An output dependency occurs when one instruction tries to write an operand before it is written by a previous instruction. This situation can lead to conflicts and errors in the program execution.
Explanation:
- When an instruction tries to write an operand before it is written by a previous instruction, it creates a dependency known as an output dependency.
- Output dependencies can cause issues such as data hazards, where the data being written by one instruction is needed by another instruction before it is available.
- This can lead to incorrect results in the program and impact the overall performance and efficiency of the system.
- Output dependencies need to be carefully managed and resolved through techniques such as instruction scheduling and data forwarding to ensure the correct execution of the program.
Conclusion:
In conclusion, an output dependency occurs when an instruction attempts to write an operand before it is written by a previous instruction. This can lead to conflicts and errors in the program execution, impacting the overall performance and efficiency of the system. It is important to identify and resolve output dependencies to ensure the correct execution of the program.
An output dependency occurs when one instruction tries to write an operand before it is written by a previous instruction. This situation can lead to conflicts and errors in the program execution.
Explanation:
- When an instruction tries to write an operand before it is written by a previous instruction, it creates a dependency known as an output dependency.
- Output dependencies can cause issues such as data hazards, where the data being written by one instruction is needed by another instruction before it is available.
- This can lead to incorrect results in the program and impact the overall performance and efficiency of the system.
- Output dependencies need to be carefully managed and resolved through techniques such as instruction scheduling and data forwarding to ensure the correct execution of the program.
Conclusion:
In conclusion, an output dependency occurs when an instruction attempts to write an operand before it is written by a previous instruction. This can lead to conflicts and errors in the program execution, impacting the overall performance and efficiency of the system. It is important to identify and resolve output dependencies to ensure the correct execution of the program.
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Community Answer
One instruction tries to write an operand before it is written by prev...
Option 1: True dependency
True dependency is when Read-after-Write or RAW occurs
Option 2: Anti-dependency
Anti-dependency is when Write-after-Read or WAR occurs
Option 3: Output Dependency
Output dependency is when Write-after-Write or WAW occurs
Option 4: Control hazard
Control Hazard is when pipeline makes wrong decisions on branch prediction
True dependency is when Read-after-Write or RAW occurs
Option 2: Anti-dependency
Anti-dependency is when Write-after-Read or WAR occurs
Option 3: Output Dependency
Output dependency is when Write-after-Write or WAW occurs
Option 4: Control hazard
Control Hazard is when pipeline makes wrong decisions on branch prediction
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